Download JNTU (NR) M.TECH 1-Semester WIRELESS NETWORKS & MOBILE COMPUTING March-2008 Exam Question Paper | Indian Shout

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Download JNTU (NR) M.TECH 1-Semester WIRELESS NETWORKS & MOBILE COMPUTING March-2008 Exam Question Paper

Code.No: 55112/MT
M.Tech. I-Semester Regular Examinations, March-2008.
WIRELESS NETWORKS & MOBILE COMPUTING
(Software Engineering)
Time: 3 hours Max. Marks: 60
Answer any FIVE questions
All questions carry equal marks.

1.a) Compare Infrared and radio transmission.
b) With the help of a diagram explain the architecture of a cellular system.
c) What are the steps involved in Handover.

2.a) What is the necessity of having a separate MAC layer in WLANS. Explain.
b) What are hidden and exposed terminal problems. Suggest solutions for the above problems.

3.a) What is the information that should be maintained by Home Agent and Foreign Agent so that Mobile IP Operates successfully.
b) Explain the working of Mobile IP.

4.a) Why Traditional TCP is not suitable in Mobile Network.
b) Explain the working of Indirect TCP & Snooping TCP. What are the limitations of both?

5.a) Define Quality of service. Does Internet provides QOS. Justify your answer.
b) What is cache? What is its necessity? Explain the caching invalidation mechanisms.
c) What is power aware computing?

6. What is pull based mechanism for Data Dissemination. Explain.

7.a) What is MANET? How is it different from cellular system?
b) What are the essential features of MANET?
c) What are the applications of MANET?

8. With the help of a diagram explain the different layers of WAP.

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